Progressive Alliance of Socialists and Democrats

The Progressive Alliance of Socialists and Democrats (S&D) is a social democratic political group in the European Parliament, founded in 1953. The party's member parties include the Social Democratic Party of Austria, the Socialist Party of Belgium, the Bulgarian Socialist Party, the Social Democrats of Denmark, the Socialist Party of France, the Radical Party of the Left, the Social Democratic Party of Germany, the Hungarian Socialist Party, the Irish Labor Party, the Democratic Party of Italy, the Spanish Socialist Workers' Party, and the UK Labor Party. In 2017, the party held 189/751 European Parliament seats.